I have finished the first round of tests with the infrared illuminator, Wii Remote, and retro-reflective materials. The results look good all around - using a simple IR flashlight with three LEDs emitting at 940 nm, the Remote's camera is able to track retroreflective samples at a distance of three feet or so.
There are a number of design improvements to make for the next round of testing including; increasing light output, increasing efficiency, and reducing weight of the package. This first unit is headed to Robert now for testing with his Optotrak system.
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